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  • I need help with Which of the following is not correctly matched?

Which of the following is not correctly matched?

  • Option 1)

    Lyman;\:\:n_{1}=1,\:n_{2}=2,3\cdot \cdot \cdot \cdot UV\:region

  • Option 2)

    Balmer;\:\:n_{1}=2,\:n_{2}=2,3\cdot \cdot \cdot \cdot visible\:region

  • Option 3)

    Paschen;\:\:n_{1}=3,\:n_{2}=4,5\cdot \cdot \cdot \cdot 1R\:region

  • Option 4)

    Brackett;\:\:n_{1}=4,\:n_{2}=5,6\cdot \cdot \cdot \cdot 1R\:region

 

Answers (1)

best_answer

As we learned in concept no.

Balmer Series Spectrum -

\frac{1}{\lambda }= RZ^{2}\left ( \frac{1}{n_{1}^{2}}-\frac{1}{n_{2}^{2}} \right )

Where n_{1}=2\ and\ n_{2}=3, 4, 5, 6 .....

It lies in visible region

-

 

 Balmer series, n_1=2 \: but\: n_2=3,4 ..\: \: and n_2\neq 2


Option 1)

Lyman;\:\:n_{1}=1,\:n_{2}=2,3\cdot \cdot \cdot \cdot UV\:region

Incorrect

Option 2)

Balmer;\:\:n_{1}=2,\:n_{2}=2,3\cdot \cdot \cdot \cdot visible\:region

Correct

Option 3)

Paschen;\:\:n_{1}=3,\:n_{2}=4,5\cdot \cdot \cdot \cdot 1R\:region

Incorrect

Option 4)

Brackett;\:\:n_{1}=4,\:n_{2}=5,6\cdot \cdot \cdot \cdot 1R\:region

Incorrect

Posted by

Aadil

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